[6bone] cisco ipv6 slow perfs

[FRLinux]

Hello,

I am currently using a Cisco 7204vxr router with IOS 12.3(12b). We are
dual-stacked on a high speed link.

Whilst ipv4 gets full speed (2.5MB/s practical download speed), i am only
getting 50-100kb/s on v6 which is wrong. It used to work properly but is
now dead slow. I can't think what changed but the IOS version (12a before
the icmp advisory).

I have cef enabled for v4/v6 but still no joy.

Has anyone seen such a behavior ?

Thanks,
Steph
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